Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during in southwest Oregon and the ...

Thanks for writing in, Bert. We at the Garden often speak about planting trees and shrubs that are best suited for our Chicago-area climate. The tree in your photo appears to be a Douglas fir, which ...

There is a low-key battle with bark beetles underway on the flanks of Aspen Mountain. Colorado State Forest Service workers marched down steep slopes two weeks ago, stapling thousands of pheromone ...

Gardening season is just around the corner, and you may have questions as you prepare for the season. To ask one, simply go to the OSU Extension website, type it in and include the county where you ...

About 80 miles east of the Linn County Courthouse, an expanse of blue-green trees gives way to jagged Cascade peaks that burst clouds, channel rivers and form the crown of a could-be national monument ...

1. From the phytocentric perspective, a mycorrhizal network (MN) is formed when the roots of two or more plants are colonized by the same fungal genet. MNs can be modelled as interaction networks with ...